Home / 2,208,309.80-3,314,408.70-1,308,626.60

Finding the Fourth Proportional to 2,208,309.80, 3,314,408.70 and 1,308,626.60

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Solution

The fourth proportional to 2,208,309.80, 3,314,408.70 and 1,308,626.60 is: 1,964,091.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208,309.80 : 3,314,408.70 = 1,308,626.60 : x
  2. Step 2: Convert to fraction form
    2,208,309.80/3,314,408.70 = 1,308,626.60/x
  3. Step 3: Cross multiply
    2,208,309.80x = 3,314,408.70 × 1,308,626.60
  4. Step 4: Simplify right side
    2,208,309.80x = 4,337,323,388,091.42
  5. Step 5: Solve for x
    x = 4,337,323,388,091.42/2,208,309.80
  6. Step 6: Final answer
    x = 1,964,091.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.